Hamilton County, Illinois Population 2024

7,841

Hamilton County, Illinois's estimated 2024 population is 7,841 with a growth rate of -0.88% in the past year according to the most recent United States census data. Hamilton County, Illinois is the 89th largest county in Illinois. The 2010 population was 8,446 and has seen a growth of -7.16% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20297,491-70-0.93%
20287,561-70-0.92%
20277,631-70-0.91%
20267,701-70-0.9%
20257,771-70-0.89%
20247,841-70-0.88%
20237,911-70-0.88%
20227,981680.86%
20217,913-86-1.08%
20207,999-134-1.65%
20198,133-16-0.2%
20188,149-43-0.52%
20178,192-5-0.06%
20168,197-50-0.61%
20158,247-66-0.79%
20148,313-34-0.41%
20138,347-40-0.48%
20128,387-38-0.45%
20118,425-21-0.25%
20108,44600%
19908,499-673-7.34%
19809,1725075.85%
19708,665-1,345-13.44%
196010,010-2,246-18.33%
195012,256-1,198-8.9%
194013,4544593.53%
193012,995-2,925-18.37%
192015,920-2,307-12.66%
191018,227-1,970-9.75%
190020,1972,39713.47%
189017,8001,0886.51%
188016,7123,69828.42%
187013,0143,09931.26%
18609,9153,55355.85%
18506,3622,41761.27%
18403,9451,32950.8%
18302,616-4,875-65.08%
2024 Growth Rate
-0.88% (-70)
County Website
Hamilton County
County Seat
McLeansboro
2020 Population
7,999
Area
435 mi²
Density
18 people/mi²
Growth Since 2020
-1.98% (-158)
Founded
1821

Population by Race

Race
Population
Percentage (of total)
White7,65496.01%
Two or more races1652.07%
Asian690.87%
Other race390.49%
Native Hawaiian or Pacific Islander370.46%
Black or African American40.05%
Native American40.05%

White

Two or more races

Asian

Other race

Native Hawaiian or Pacific Islander

Black or African American

Native American

Hamilton County, Illinois Population by Race

Hamilton County, Illinois Population Pyramid 2024

Hamilton County, Illinois Median Age

43.5

Total

41.7

Male

45

Female

Hamilton County, Illinois Adults

There are 6,160 adults, (1,767 of whom are seniors) in Hamilton County, Illinois.

Hamilton County, Illinois Age Dependency

81.5

Age Dependency Ratio

40.2

Old Age Dependency Ratio

41.2

Child Dependency Ratio

Hamilton County, Illinois Sex Ratio

Female3,95749.64%
Male4,01550.36%

Hamilton County, Illinois Population by Age

Hamilton County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All3,3502.3578.321.7
Married1,5813.0591.38.7
Non Family1,2281.2768.731.3
Female3042.7461.238.8
Male2372.6962.437.6

2.92

Average Family Size

2.35

Average Household Size

78.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Hamilton County, Illinois Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade3676.52%
Associates Degree89915.97%
Bachelors Degree64511.46%
Graduate Degree3967.03%
High School Graduate1,79731.92%
Less Than 9th Grade2514.46%
Some College1,27522.65%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Hamilton County, Illinois Educational Attainment by Sex (over 25)

Hamilton County, Illinois Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White5,3694,756987
2+ Races70656
Hispanic69690
Asian646444
Islander37370
Other Race13130
Black444
Native American440

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among black people with a rate of 100%.

Hamilton County, Illinois Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$47,364$80,735$38,164
Graduate Degree$72,065$90,688$70,489
High School Graduate$40,926$45,143$28,378
Less Than 9th Grade$40,295$40,547$29,833
Overall$46,267$52,161$38,795
Some College$47,717$52,474$33,571

$46,267

Average Earnings

$52,161

Average Male

$38,795

Average Female

Hamilton County, Illinois Earnings by Educational Attainment

Hamilton County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Hamilton County, Illinois Language

97.7% of Hamilton County, Illinois residents speak only English, while 2.3% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.46% of the population.

Hamilton County, Illinois Language

Hamilton County, Illinois Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White7,51598113.05%
Multiple16584.85%

12.54%

Overall Poverty Rate

9.9%

Male Poverty Rate

15.22%

Female Poverty Rate

Poverty in Hamilton County, Illinois

The race most likely to be in poverty in Hamilton County, Illinois is White, with 13.05% below the poverty level.

The race least likely to be in poverty in Hamilton County, Illinois is Multiple, with 4.85% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.55%. Among those working part-time, it was 14.08%, and for those that did not work, the poverty rate was 20.1%.

Hamilton County, Illinois Poverty

rate

Rate
Poverty
Less Than 9th Grade24.07%
High School15.61%
Some College6.78%
Bachelors or Greater4.87%

Hamilton County, Illinois Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed40.91%
Male Unemployed8.61%
Female Employed5.38%
Male Employed4.83%

Hamilton County, Illinois Poverty Rate by Employment Status and Sex

Hamilton County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$75,333$105,054
Households$61,520$85,365
Married Families$100,469$-999,999,999
Non Families$35,326$49,654

mean

median

Income by Household Type

Hamilton County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

51.1%

Overall Marriage Rate

52.0%

Male Marriage Rate

50.1%

Female Marriage Rate

Hamilton County, Illinois Married by Age and Sex

male

female

Hamilton County, Illinois Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Hamilton County, Illinois Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Hamilton County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

462

Number of Veterans

459

Male Veterans

3

Female Veterans

War
Veterans
Vietnam150
Second Gulf War95
First Gulf War76
Korea43
World War II0

Hamilton County, Illinois Veterans by War

count

Age Group
Veterans
75+167
55 to 6485
65 to 7476
18 to 3474
35 to 5460

Hamilton County, Illinois Veterans by Age

count

Name
Veterans
% of Total
White4577.66%
2+ Races56.67%

Hamilton County, Illinois Veterans by Race

Hamilton County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

18.7%

Veteran Poverty Rate

29.78%

Veteran Disability Rate

Hamilton County, Illinois Veterans by Education

LaborForceParticipation

56.9%

Labor Force Participation

53.9%

Employment Rate

5.4%

Unemployment Rate

Hamilton County, Illinois Employment by Age

LaborForceParticipation

Hamilton County, Illinois Employment by Race

LaborForceParticipation

Hamilton County, Illinois Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

78.89%

Born in Hamilton County, Illinois

99.26%

Native Born

0.74%

Foreign Born

0.21%

Non Citizen

0.53%

Naturalized

Place of Birth

99.26% of Hamilton County, Illinois residents were born in the United States, with 78.89% having been born in Illinois. 0.21% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Hamilton County, Illinois Place of Birth

Sources